a guy i know is closing down his machine shop and moving---i looked at his junk? so he called it---i found a 3869942 nov 65 cast date 4 bolt block---also found a 3946052 aluminum block with the casting number on the pass side of the bell housing flange---on the driver side flange are the following numbers---07066---is this a date code or ?? also the "2" in the casting number was smaller than the rest of the numbers---were there over the counter service blocks sold ? can anyone shed some light on this block--i can buy it with the crank and big rods but i don't want to get stung by paying too much---thanks for all inputs,phil.
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Small "2" in casting #
This was an eBay auction, years back. Have another shot of the same thing from a different block. Can't help you on the date code. These blocks were sleeved from the "git-go" as far as I can figure.
Nice piece -- I'd buy it and put a glass top on it for a coffee table.
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Re: Small "2" in casting #
thanks wayne---the "2" looks like your picture---the block lost a rod was damaged amd repaired---supposed to be seviceable---mostly interested in the crank and rods for another project---sounds like the block is just auto art as you saidComment
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Re: Small "2" in casting #
Many more over the counter blocks than were ever installed. If my memory serves me correctly, the sleeves were a special??, unique to the aluminum block at that time. I played with one in '69 or '70 but do not remember a whole lot about the specificsDick WhittingtonComment
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Re: Small "2" in casting #
thanks dick---what would a person think the block alone would be worth? bear in mind a mid engine rod cut loose and knocked a chunck out of the block but was prof. welded back in and looks good---i had a high end block machinist look at it and he pretty much blessed it as servicable---thanks,philComment
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Re: Small "2" in casting #
You would have to ask the Camaro boys what it is worth. Those blocks had an inherant problem, a high pressure oil leak. I cannot remember which oil gallery it was, but it was one of the verticle bores that few the mains. They would crack and leak internally. Fix was to take an appropiately size piece of TBW brake tubing, cut to length, and drive in the oil hole, grinding the excess off.
If the welding was done properly and all the bearing bores were aligned properly there should be no problem. Years ago we repaired cast iron blocks the same way with success.Dick WhittingtonComment
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Re: Small "2" in casting #
i think i can "steal" the short block for $600 to $800 as the guy just wants to "retire" move along and get out of the "car" madness---which i'm almost ready to do myself---i'm at a lost on this thanks again---philComment
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If the block is useable and looks ok
sell me the block for that price and I'll let you keep the crank and rods!
MarkComment
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Re: Small "2" in casting #
PHIL-----
I usually don't get involved in "value" questions. However, I'd say that the short block is definitely worth $600-800. The rods, if original, are worth nearly that much in used condition.
By the way, all ZL-1 blocks were sleeved from the get-go. Chevrolet did make some large bore aluminum big blocks which did not use sleeves for racing applications (e.g. Can-Am), but these were never used for any ZL-1 engine, either PRODUCTION or SERVICE.In Appreciation of John HinckleyComment
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Re: Small "2" in casting #
Just for thought, all the original blocks were sequentially numbered, at least the first 300, and they were the only ones that actually were used in the ZL-1 cars. I had a NOS one about 15 years ago and sold it to a fellow who had an original Camaro in need, I think about $3500 was the price if I remember correctly, but that was for a NOS block, never run, but then, the price of the cars has gone up since then...Bill Clupper #618Comment
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